The lovely Pentium MMX 166Mhz system. Unfortunate that the motherboard does not support the turbo button option. The speed LED is programmed to show 166. I'm actually considering installing my 386 motherboard
Intel Pentium 166 - FV80502166
Intel Pentium 166 (PPGA) - Hardware museum
Xhoba's cpu collection - View details on Intel Pentium 166 CPGA
Intel Pentium MMX 166 MHz Desktop CPU Processor- SY059 – Buffalo Computer Parts